Oklahoma Lake
Oklahoma Lake is an earth dam located in Weld County, Colorado, built in 1891. It carries a Low hazard potential classification and has a fair condition assessment.
About Oklahoma Lake
The primary purpose of Oklahoma Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Big Cut Lateral & Reservoir Company (cody Wooldrid (private). It impounds the Big Thompson River near Greeley.
The dam stands 18 feet tall and stretches 92 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 493 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1891, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/19/2022.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Greeley |
| River/Stream | Big Thompson River |
| Coordinates | 40.42621, -104.93735 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 92 ft |
| Year Completed | 1891 (135 years old) |
Storage & Hydraulics
| NID Storage | 493 acre-ft |
| Max Storage | 493 acre-ft |
| Normal Storage | 493 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BIG CUT LATERAL & RESERVOIR COMPANY (CODY WOOLDRID |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/19/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01760 |
| Federal ID | CO01760 |
| More Info | State Dam Safety Program |